Kujima: Why Sing, When You Can Warble?

Synopsis

In the autumn of his first year of middle school, Arata Kouda discovers Kujima, a peculiar bird-like creature. Finding Kujima hungry, Arata takes him home. But due to the uproar from Arata's older brother failing his exams, Kujima ends up staying at the Kouda residence without paying. Kujima claims he will only stay until winter ends and spring comes, but...